MoMA PS1 Shows 'Body Awareness' Artist Maria Lassnig

Retrospective Is Part of Late-Career Resurgence for 94-Year-Old

Decades before Instagram offered users mood filters for smartphone selfies, the 25-year-old artist Maria Lassnig was putting the finishing touches on her "Expressive Self-Portrait," only weeks after fleeing the Russian occupation of Vienna for her hometown in Carinthia, Austria.

The 24-by-19-inch oil and charcoal on fiberboard from 1945 depicts a topless Ms. Lassnig in sepia tones with subtle streaks of red, blue and...